One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to determine when it's a good idea to plant angel's trumpets by reviewing the USDA zone info for Mount Holly.

Planting Calendar for Angel's Trumpets

Frost tolerance for angel's trumpets:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since angel's trumpets are barely cold tolerant you can plant them just a tiny bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant angel's trumpets in Mount Holly is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant angel's trumpets and expect a good harvest is probably August. Any later than that and your angel's trumpets may not have a chance to fully mature. You can get started a few weeks earlier by starting your angel's trumpets indoors.

Last Frost Date

In Mount Holly the average date of last frost happens on April 15. You should expect an average low temperature of 5°F in the coldest months of winter.

Keep in mind that USDA zone info for Mount Holly is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Mount Holly it frosts late in the year after April 15 so make sure that you are ready to protect your angel's trumpets in the event of one of those late frosts.

USDA Zone Info for Mount Holly

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Mount Holly

You may be interested in your other planting guides for Mount Holly.